Head to head
Ifor Williams HBX506 vs Ifor Williams P5
The Ifor Williams P5 is 724kg lighter empty. The Ifor Williams HBX506 is rated 2.1 tonnes heavier gross and carries 1,376kg more.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HBX506 weighs 724kg more empty.
- Gross weight: the Ifor Williams HBX506 is rated 2.1 tonnes heavier gross.
- Payload: the Ifor Williams HBX506 carries 1,376kg more.
Specifications side by side
| Ifor Williams HBX506 | Ifor Williams P5 | |
|---|---|---|
| Gross weight | 2600kg | 500kg |
| Unladen weight | 865kg | 141kg |
| Payload | 1735kg | 359kg |
| Internal length | 3.26m | - |
| Internal width | 1.67m | - |
| Internal bed | - | 1.53m x 1.02m |
| Brakes | - | Unbraked |
Sources: Ifor Williams HBX506, Ifor Williams P5. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HBX506 if...
- you want one that is rated 2.1 tonnes heavier gross
- you want one that carries 1,376kg more
A mid-size horsebox for owners moving one or two horses who want the updated HBX styling and features rather than the standard HB range trailer.
Listed by
- R M Trailer Centre - Middlesbrough, North Ormesby
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Buy or hire the P5 if...
- you want one that is 724kg lighter empty
A light general-purpose trailer for domestic buyers moving garden waste, small loads or a mower, chosen for its low unladen weight so it can be towed by almost any car.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Common questions
What is the difference between the Ifor Williams HBX506 and the Ifor Williams P5?
The Ifor Williams P5 is 724kg lighter empty. The Ifor Williams HBX506 is rated 2.1 tonnes heavier gross and carries 1,376kg more. The Ifor Williams HBX506 is a a double horsebox trailer from Ifor Williams' HBX range; the Ifor Williams P5 is a the smallest unbraked domestic trailer Ifor Williams makes.
Which is lighter, the Ifor Williams HBX506 or the Ifor Williams P5?
The Ifor Williams P5. It is 724kg lighter empty than the Ifor Williams HBX506.
Which carries more, the Ifor Williams HBX506 or the Ifor Williams P5?
The Ifor Williams HBX506, by 1,376kg.
Can I tow the Ifor Williams HBX506 or the Ifor Williams P5 on a car licence?
Yes, as far as the licence goes. Both are rated at or under 3,500kg gross, and a car (B) licence has covered towing up to 3,500kg since 16 December 2021. Your car still has to be rated to tow the loaded weight - check the handbook or the VIN plate.
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